package com.szq.pattern;

/**
 * @description: 懒汉模式（线程不安全）
 * @author: szq
 * @date: 2021-08-26 10:21:02
 */
public class Singleton_01 {

    private static Singleton_01 instance;

    private Singleton_01(){}

    public static Singleton_01 getInstance(){
        if (null != instance){
            return instance;
        }
        instance = new Singleton_01();
        return instance;
    }


}
